package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

public class JDBCDemo7 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"欢迎注册","登录");
        try(
                Connection connection = DBUtil.getConnection();
                ){
            String sql="SELECT id,username,password,nickname,age "
                    +"FROM userinfo "
                    +"WHERE username=? AND password=?";
            PreparedStatement ps=connection.prepareStatement(sql);
            ps.setString(1, userInfo.getUsername());
            ps.setString(2, userInfo.getPassword());
            ResultSet rs=ps.executeQuery();
            if(rs.next()){
                System.out.println("登录成功");
            }else {
                System.out.println("登录失败");
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
